/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/EditMeshMaterialsTool.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UEditMeshMaterialsToolProperties : public [UInteractiveToolPropertySet](API\Runtime\InteractiveToolsFramework\UInteractiveToolPropertySet)
FString
ActiveMaterial
TArray<FString...
MaterialNamesList
TArray<TObject...
Materials